Finding the Fourth Proportional to 2,766.74, 3,818.37 and 2,066.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.74 : 3,818.37 = 2,066.90 : x
2. Step 2: Convert to fraction form
   2,766.74/3,818.37 = 2,066.90/x
3. Step 3: Cross multiply
   2,766.74x = 3,818.37 × 2,066.90
4. Step 4: Simplify right side
   2,766.74x = 7,892,188.95
5. Step 5: Solve for x
   x = 7,892,188.95/2,766.74
6. Step 6: Final answer
   x = 2,852.52